‘Ayahuasca is changing global environmental consciousness’ David Hill: Interview with US scientist Dennis McKenna on powerful Amazon hallucinogen, plant intelligence and environmental crises
Air pollution causes wrinkles and premature ageing, new research shows Toxic fumes may be the primary cause of skin ageing in polluted cities such as London, New York and Beijing, scientists say
Half of all US food produce is thrown away, new research suggests The demand for ‘perfect’ fruit and veg means much is discarded, damaging the climate and leaving people hungry
Antibiotic-free meat to hit the shelves Don’t want to eat pork pumped full of penicillin? Look for a smiling pig’s face on your next packet of bacon
How Brexit could damage our health We would lose drug research and health service funding as well as free treatment in Europe, and we’d have no external arbiters of food, air and water quality. This is dangerous
Why toxic air is every family’s problem – cartoon Air pollution has been linked to child mental illness. Are we all doing our bit?
Prince Charles: I use homeopathy in animals to cut antibiotic use Homeopathy sceptic Dame Sally Davies among delegates to hear prince say he treats his cows with alternative medicine
How a giant air freshener could save our polluted cities Air pollution kills 28,000 people every year in the UK. But the solution might lie in a hi-tech tower that sucks up harmful particles
Lazy Britons are missing out on the joy of walking Half of us are reluctant to get on our feet for more than 20 minutes. Compared to the progress made on cycling, for walkers it’s been pedestrian